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Finding the Fourth Proportional to 45,508.01, 68,212.71 and 23,290.93

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Solution

The fourth proportional to 45,508.01, 68,212.71 and 23,290.93 is: 34,911.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,508.01 : 68,212.71 = 23,290.93 : x
  2. Step 2: Convert to fraction form
    45,508.01/68,212.71 = 23,290.93/x
  3. Step 3: Cross multiply
    45,508.01x = 68,212.71 × 23,290.93
  4. Step 4: Simplify right side
    45,508.01x = 1,588,737,454.76
  5. Step 5: Solve for x
    x = 1,588,737,454.76/45,508.01
  6. Step 6: Final answer
    x = 34,911.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.